97800534 has 40 divisors (see below), whose sum is σ = 236008080. Its totient is φ = 30091824.

The previous prime is 97800517. The next prime is 97800559. The reversal of 97800534 is 43500879.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 21114 + ... + 25325.

It is an arithmetic number, because the mean of its divisors is an integer number (5900202).

Almost surely, 2^97800534 is an apocalyptic number.

97800534 is an abundant number, since it is smaller than the sum of its proper divisors (138207546).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

97800534 is a wasteful number, since it uses less digits than its factorization.

97800534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46466 (or 46457 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 97800534 is about 9889.4152506607. The cubic root of 97800534 is about 460.7306190300.

The spelling of 97800534 in words is "ninety-seven million, eight hundred thousand, five hundred thirty-four".